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antiseptic1488 [7]
3 years ago
14

19) 7x - 8(-x+7)=-16+ 7x

Mathematics
1 answer:
NeX [460]3 years ago
5 0

Hi there!  

»»————- ★ ————-««

I believe your answer is:  

x = 5

»»————- ★ ————-««  

Here’s why:  

⸻⸻⸻⸻

7x - 8(-x+7)=-16+7\\\--------------\\\rightarrow7x +8x - 56 =-16 + 7x\\\\\rightarrow 15x -56 = 7x - 16\\\\\rightarrow 15x - 7x - 56 = 7x - 7x - 16\\\\\rightarrow 8x - 56 =-16\\\\\rightarrow 8x - 56 + 56 = -16 + 56\\\\\rightarrow 8x = 40\\\\\rightarrow\frac{8x=40}{8}\\\\\rightarrow \boxed{x = 5}

⸻⸻⸻⸻

»»————- ★ ————-««  

Hope this helps you. I apologize if it’s incorrect.  

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